Naw, my Dad was an engineer though. I am a retired teacher and wildlife biologist, but I still like to do projects and love playing with GIS and making maps with my drone! Plus, I like doing volunteer projects with it - of which this was one...
Really ... your compass was warning you about something, whether you could see it or not.
Your compass never needs recalibrating.
It sounds like you might benefit from a refresher on the drone's compass, and what calibration actually does.
Read...
Dronedeploy is very good and there are other well-regarded products too.
Most are free to use for planning, flying and acquiring images.
You only have to pay if you use them to create orthophotos etc.